Fitness Smarts

Fitness Smarts

This video collection is composed of educational and instructional videos that teach you how to make your exercise and fitness programs more effective in order to gain better results and avoid injury. Learn ins-and-outs of exercise mechanics so that you understand how to best serve your body's unique structure and specific needs. Learn to apply anatomy and biomechanics to your exercise routines so that you can improve muscle strength, joint stability, and range of motion.

Fitness Integrated Science™ is a fitness and health methodology that combines modern bio mechanic principles with unique and progressive strengthening techniques to guide our clients to improved muscular balance, joint stability, and range of motion. Fitness Integrated Science™ is also a Wellness and Personal Training Center in Louisville Kentucky offering private yoga, Pilates, personal training, and yoga therapy for individuals as well as small groups. We have a 500-hour teacher training program, Yoga Integrated Science™, that is registered through Yoga Alliance and provide Workshops and certification courses in Yoga, Pilates, Fitness and Personal Training.


Lauren Eirk is the creator of Yoga Integrated Science™ program, offering a unique, sound, biomechancial approach to Hatha Yoga designed to respect joint structure while improving muscle responsiveness and strength. She has spent her life teaching and studying in the health, fitness, and yoga communities, learning from some of the top minds of our time. Having worked in the health education field for over 30 years, Yoga I.S.® is her vision. Lauren’s training has made her highly sensitive to clients with complex, on-going neuro-muscular issues, helping her clients to navigate an effective exercise plan to accomplish their goals. Lauren has since expanded into Pilates Integrated Science™, Strength Integrated Science™, and Fitness Integrated Science™

Lauren’s work has been featured in such magazines as Yoga Journal®, Self®, IDEA® Fitness Journal, American Fitness Magazine, ACE Fitness Magazine, American Fitness Magazine, Fitness First Quarterly Magazine, AKWA Aquatic Exercise Magazine, Business First, Natural Awakenings, and New Woman Magazine. Lauren has presented for such fitness-health organizations and education conferences as IDEA World, IDEA Personal Trainer, Inner IDEA, FACTfest, AFPA, DCAC Fitness, AFS Succeed! Conference, ACSM Fitness Summit, AEA/ IAFC, ECA, Can-FIT Pro, Fit in the City®, Fitour®, Resist-A-Ball®, and Sarah’s City Workout®

+ B.S. Physical Therapy, University of Louisville
+ B.A. Art, French, University of Louisville
+ M.S. Health Fitness Management

Lauren is a Certified E-RYT 500 Level Registered Yoga instructor and has studied Yoga with Master teachers David Swenson, Sianna Sherman, John Friend, Mitchel Bleier, Francois Rault, Doug Keller, Doug Swenson, Judy Rice, Rodney Yee, Beryl Bender Birch, John Schumacher, and Ramanand Patel. She is a Certified Yoga Therapist C-IAYT with the International Association of Yoga Therapy and a Yoga Alliance® Continuing Education Provider (YACEP), she is the developer of the Yoga I.S.® method for Yoga, Barre, and Pilates-based classes, including the Yoga I.S. Mechanix™ method.

Lauren is a Mastery Level Muscle Activation Techniques™ Certified Specialist and MATRx Certified Full-Body Specialist Full Body, including the Lower Leg & Foot as well as the Wrist & Hand. Lauren’s MATRx delineation makes her one of 57 world-wide leading experts in the treatment of muscular Imbalances. Lauren is an International Continuing Education Provider with an established personal training business since 2006, held in the Yoga Integrated Science™ Personal Training Studio. Lauren has been a certified group fitness instructor for nearly three decades and has run many group fitness programs. She is the creator of Yoga with Resist-A-Ball®, a former Resist-A-Ball® and FiTour® Master Trainer and the recipient of the ECA OBOW Award 2007 “Most Mindful Program”. Lauren has taught group and private classes in over 27 fitness centers since the start of her fitness career in the year 1988. She has many years of experience teaching in elementary schools, college universities, hospitals, fitness centers, and community centers in various local, national, and international venues. Lauren specializes in fitness rehabilitation, health fitness management, program development, and continuing education. Lauren is a published author with extensive television and video experience. Lauren is a brand influencer for Athleta® Brand clothing and a member of the Body Bar® Instructor Team with Yoga and Pilates programming.

Fitness Smarts
  • Video 057 | Hand or Wrist Solutions with Lauren Eirk

    This is a vintage video that was done at the beginning of the 2020 pandemic when we were filming on YouTube. It is still full of valuable information. There are a lot of Yoga poses that load the wrist and hand, causing discomfort for many people. Learn basic wrist and hand anatomy, reasons why...

  • Video 377 | Improve Your Balance (15 Minutes) with Lauren EIrk

    In our daily life, we may not always be able to predict how the external environment will challenge our body. Our muscles need to be able to contract accordingly to create muscle contractions to maintain joint stability.

    In this video, strengthen the foot, ankle, knees, and hips to improve mus...

  • Video 368 | ROM Self-Assessment (28 Minutes) with Lauren Eirk

    In this tutorial, learn how to pay attention to your joint range of motion from one side of the body to the other. As you move through the motions of the trunk and spine, hips, knees, shoulders, elbows, ankle, and wrists, learn how your individual joint structure differs from one side on the bod...

  • Video 042 | Help for Chronic Pain or Tension with Lauren Eirk

    In this video, learn simple exercise that when done daily can help to reduce pain that many people suffer from on a daily basis. Many times the reason people live with chronic pain is that they suffer from global weaknesses in muscles that cross multiple joints, causing joints to become unstable...

  • Video 109 | Advantages and Tips for Dumbbell Training (11 mins) with Lauren Eirk

    Watch this video to give you better results in any of our videos that use dumbbells and you will understand the many benefits that they can bring to your exercise routine. Learn reasons why training with a fixed grip such as a bar can be limiting, as dumbbells open up a whole new way to stabiliz...

  • Video 273 | FIS Neck and Spine Therapy (30 minute workout) with Lauren Eirk

    This workout is for all levels, showcasing the FIS Methodology. Learn how to assess range of motion in your neck and adjust with safe, effective isometric exercises. Progress with shoulder mobility and core specific exercises to improve the health of the cervical spine and manage chronic neck pai...

  • Video 245 | How To Pilates (30 Minutes) with Lauren Eirk

    Joseph Pilates, born in 1883 in Germany, founded the system of Pilates. Learn about his background is family, the reasons why he developed this famous 34 mat exercises. Joseph Pilates based his work on three principles: Breath, whole-body health and whole-body commitment; with the whole-body en...

  • Video 241 | How To Resistance Train (11 Minutes) with Lauren Eirk

    This tutorial gives seven core principles about Resistance Training. We need to know the goal of any exercise to decide what tool to use, how to align it with our body, and how we need go move to avoid injury while maximizing benefit. You will learn some basic biomechanics principles that will ...

  • Video 038 | How to have a Strong and Healthy Back with Lauren Eirk

    Back Pain is common in our culture, which can result from injury but also as a byproduct of aging and sedentary lifestyles. In this video, experience several common yoga postures with specific directional cues to help you evaluate where your range of motion deficits are coming from and how to be...

  • Video 045 | Improve your Balance with Lauren Eirk

    In our daily life, we may not always be able to predict how the external environment will challenge our body. In Yoga, we can learn to create powerful internal forces as our muscles become stronger in many challenging positions, but as soon as an external force acts upon us, our muscles need to ...

  • Video 049 | Help Rolling Up Off the Floor with Lauren Eirk

    Going from Supine to sitting involves development of core strength but in addition it requires the right leverage! In this video, learn why some people will always have difficulty with the "roll up" and mechanical techniques to combat this.

    Fitness Integrated Science™ is a fitness and health ...